Frequencies for first 10,000 rows of dr_hgt variable in vehicle dataset :

     driver |
     height |      Freq.     Percent        Cum.
------------+-----------------------------------
         37 |          1        0.01        0.01
         50 |          2        0.02        0.03
         53 |          1        0.01        0.04
         55 |          1        0.01        0.05
         56 |          4        0.04        0.09
         57 |          9        0.09        0.18
         58 |          6        0.06        0.24
         59 |         45        0.45        0.69
         60 |        127        1.27        1.96
         61 |        194        1.94        3.90
         62 |        349        3.49        7.39
         63 |        363        3.63       11.02
         64 |        496        4.96       15.98
         65 |        608        6.08       22.06
         66 |        756        7.56       29.62
         67 |        851        8.51       38.13
         68 |        872        8.72       46.85
         69 |        866        8.66       55.51
         70 |        915        9.15       64.66
         71 |        828        8.28       72.94
         72 |        887        8.87       81.81
         73 |        521        5.21       87.02
         74 |        381        3.81       90.83
         75 |        182        1.82       92.65
         76 |        141        1.41       94.06
         77 |         35        0.35       94.41
         78 |         26        0.26       94.67
         79 |          6        0.06       94.73
         80 |          1        0.01       94.74
         81 |          3        0.03       94.77
         82 |          1        0.01       94.78
         83 |          1        0.01       94.79
         84 |          1        0.01       94.80
        998 |         61        0.61       95.41
        999 |        459        4.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016